Description
Why the FC-FC Hybrid?
While the industry has seen a rise in plastic connectors, the FC (Ferrule Connector) remains the king of stability. Its metallic, screw-type coupling ensures that the connection is virtually immune to vibration, making it the standard for:
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Test and Measurement: Connecting OTDRs to APC-based networks.
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Industrial Automation: High-vibration environments where clips might fail.
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Marine & Aerospace: Where mechanical locking is a safety requirement.
Technical Performance Specifications
Operating at the 2026 industry benchmark, this OS2 single-mode jumper is built for precision.
| Paramètres | FC/UPC Side (Blue) | FC/APC Side (Green) | Technical Benefit |
| Type de polissage | Ultra Physical Contact | 8° Angled Physical Contact | Bridges standard & high-return loss ports |
| Perte de retour | $\geq 50 \text{ dB}$ | $\geq 60 \text{ dB}$ | Protects sensitive lasers from back-reflection |
| Perte d'insertion | $\leq 0,3 \text{ dB}$ | $\leq 0,3 \text{ dB}$ | Ensures maximum signal strength |
| Fiber Core | 9/125μm (OS2) | 9/125μm (OS2) | Consistent single-mode performance |
| Housing | Nickel-Plated Metal | Nickel-Plated Metal | Maximum mechanical durability |
| Veste | 2.0mm/3.0mm LSZH | 2.0mm/3.0mm LSZH | Fire-safe and flexible |
Key Product Advantages
1. Vibration-Proof Security
Unlike push-pull connectors (SC or LC), the FC’s threaded nut provides a constant, locked-in pressure on the 2.5mm ceramic ferrule. This ensures the 9-micron fiber core stays perfectly aligned even in harsh environments.
2. The “Back-Reflection” Shield
By providing an APC (Green) end, this cable allows you to connect to high-power transmitters that require a $>60\text{dB}$ return loss to prevent laser damage, while still interfacing with standard UPC (bleu) equipment on the other end.
3. G.652.D / G.657.A1 Fiber Core
We use premium single-mode fiber that supports all standard wavelengths ($1310\text{nm}$, $1490\text{nm}$, $1550\text{nm}$), making it future-proof for high-speed data and video transmission.
Professional Q&A: Insights from the Field
Q1: Can I use this cable to connect my Blue FC patch panel to a Green FC power meter?
A : Yes, that is exactly what this cable is designed for. It ensures that the “Blue” side of your network can communicate with the “Green” side of your test equipment or high-sensitivity hardware without causing an air gap.
Q2: What happens if I use a standard FC/UPC-FC/UPC cable instead?
A : If you plug a UPC (Blue) connector into an APC (Green) port, the flat end-face will hit the angled end-face at a single point, creating a large air gap. This results in high insertion loss and huge back-reflection, which can disrupt your signal or damage the hardware.
Q3: Is the “Simplex” (SX) version durable enough for industrial use?
A : Absolutely. Since both ends are metallic FC connectors and the jacket is typically 3.0mm LSZH, it is much more rugged than a standard LC duplex jumper. It is built to withstand repeated handling and mechanical stress.
Q4: How do I maintain these metallic connectors?
A : Because they are screw-on, ensure you don’t over-tighten them. Hand-tight is sufficient. Also, since FC ferrules are exposed when unplugged, always use the provided dust caps to prevent scratches on the ceramic tips.
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